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Toshiba Semiconductor and Storage TB62214AFTG,C8,EL
- Part No.:
- TB62214AFTG,C8,EL
- Manufacturer:
- Toshiba Semiconductor and Storage
- Category:
- Motor Drivers, Controllers
- Package:
- 48-VFQFN Exposed Pad
- Datasheet:
-
TB62214AFTG,C8,EL.pdf
- Description:
- IC MTRDRV BIPLR 4.75-5.25V 48QFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,081
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Product details
Overview
TB62214AFTG,C8,EL from Toshiba is a BiCD-process two-phase bipolar stepping motor driver IC with PWM constant-current control, 40 V/2.0 A absolute maximum ratings, clock-input excitation, and integrated thermal/overcurrent shutdown. It drives NEMA 17–23 stepper motors in industrial motion control, CNC indexing stages, and automated optical positioning systems.
For engineers reviewing the TB62214AFTG,C8,EL datasheet, TB62214AFTG,C8,EL pinout, TB62214AFTG,C8,EL application, or TB62214AFTG,C8,EL equivalent, key selection criteria include chopper frequency (40–150 kHz), mixed-decay timing (37.5% fast-decay fixed), Vref-based current tuning (±5% output error), and QFN48 thermal performance (1.3 W at 25°C).
Technical Context
The TB62214AFTG,C8,EL implements a CR-oscillator–driven PWM chopper with fixed 37.5% fast-decay timing for precise constant-current regulation across two H-bridge outputs. Its dual-mode decay control (slow/fast) enables low-noise, high-torque operation without external decay selection logic.
It integrates three independent protection circuits: thermal shutdown (TSD) triggered at 140–170°C junction temperature, overcurrent shutdown (ISD) with 4-cycle masking against switching noise, and power-on reset (POR) for VM and VCC. All protections force output disable and require D_MODE_1/D_MODE_2 low reset or full reboot to resume.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Max Output Voltage | 40 V - supports stepper motors requiring up to 38 V operating supply (VM = 10–38 V) |
| Max Output Current | 2.0 A per phase - rated absolute maximum; design limit is 1.4 A continuous due to thermal constraints |
| Chopper Frequency | 40–150 kHz - adjustable via OSCM RC network; determines current ripple and audible noise profile |
| Current Accuracy | ±5% - measured at IOUT = 1 A; enables repeatable torque calibration across production units |
| Logic Supply | VCC = 4.75–5.25 V - internally regulated from VM; eliminates need for separate 5 V rail |
| CLK Input Max Rate | 100 kHz - defines maximum step rate; corresponds to ~200 steps/ms in two-phase mode |
| Thermal Shutdown | 140–170°C Tj - protects die during overload; requires external heatsinking for >1.0 A sustained loads |
Pinout & Package
Package: QFN48-P-0707-0.50 (7 mm × 7 mm, 0.5 mm pitch, exposed thermal pad). Pin count: 48. Thermal resistance θj-a = 38°C/W on 2-layer board.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CLK | Clock input | Rising-edge–triggered step advance; sets electrical angle increment and motor speed |
| CW/CCW | Direction control | H = clockwise (A lags B by 90°); L = counterclockwise (A leads B by 90°) |
| ENABLE | Output enable | H = active drive; L = high-impedance stop; must be held low at power-on until VM stabilizes |
| RESET | Electrical angle reset | H = forces MO_OUT low and resets internal position counter; required at startup |
| D_MODE_1 / D_MODE_2 | Excitation mode select | LL = standby; LH = two-phase; HL = 1-2-phase; HH = W1-2-phase (wave drive) |
| VM | Main power supply | 10–38 V motor supply; powers both DMOS H-bridges and internal regulator |
| VCC | Logic supply filter | Smoothing capacitor node for internal 5 V regulator; decouples digital noise from VM |
| Vref_A / Vref_B | Current reference inputs | Set phase current via IOUT = (Vref/5) ÷ RRS; support independent A/B tuning |
| RS_A1 / RS_A2 / RS_B1 / RS_B2 | Current sense returns | Low-side sensing pins; connect to shunt resistors for closed-loop current feedback |
| OUT_A1 / OUT_A2 / OUT_B1 / OUT_B2 | H-bridge outputs | Full bipolar drive: OUT_A1/A2 = A-phase high/low; OUT_B1/B2 = B-phase high/low |
| MO_OUT | Monitor output | Open-drain electric angle indicator; pulses once per full electrical cycle (4 steps in two-phase) |
| GND (15×) | Ground terminals | Separate logic (pins 5, 40) and motor power (pins 15, 18, 19, 22) grounds; mandatory single-point PCB tie |
Key Features
| Feature | Design Value |
|---|---|
| Mixed-decay PWM control | Fixed 37.5% fast-decay period ensures consistent current regulation and reduced motor heating vs. pure slow-decay |
| Integrated voltage regulator | Derives stable 5 V logic supply directly from VM; eliminates external LDO and reduces BOM count |
| Four excitation modes | Hardware-selectable two-phase, 1-2-phase, W1-2-phase, and standby-no firmware required for mode switching |
| BiCD DMOS output stage | On-resistance ≤1.5 Ω (sum of upper + lower FETs) enables efficient 1.4 A continuous drive at 24 V |
| Triple fault protection | Independent TSD, ISD, and POR circuits prevent latch-up, thermal runaway, and brown-out damage without external supervision |
Applications
| Industrial CNC Positioning | Automated Optical Inspection |
|---|---|
Use Scenario: Precision X-Y table movement in PCB AOI machines, requiring sub-micron repeatability and vibration-free settling. IC Role / Device Role / Timing Role: Two-phase excitation driver controlling 1.8° stepper motors; MO_OUT provides real-time electrical angle feedback for closed-loop verification. Use Value: Fixed 37.5% mixed-decay minimizes current ripple-induced positional jitter, enabling <±2 arcsec angular stability. | Use Scenario: High-speed lens focus and aperture adjustment in semiconductor wafer inspection tools. IC Role / Device Role / Timing Role: W1-2-phase (wave drive) mode for reduced power consumption and heat generation during long dwell periods. Use Value: 71% phase current in W1-2 mode cuts coil power by 50% vs. two-phase while maintaining holding torque, extending thermal margin. |
| Medical Fluid Dispensing | Lab Automation Robotics |
Use Scenario: Syringe pump actuation in diagnostic analyzers, demanding precise volumetric delivery and silent operation. IC Role / Device Role / Timing Role: 1-2-phase excitation with CLK-controlled microstepping emulation; RESET synchronizes start position across batches. Use Value: ±5% current accuracy ensures consistent fluid displacement across 10,000+ cycles without recalibration. | Use Scenario: Multi-axis robotic arm joint control in automated sample handling systems. IC Role / Device Role / Timing Role: Dual TB62214AFTG,C8,EL drivers per axis for independent A/B phase control; ENABLE enables rapid emergency stop. Use Value: Integrated ISD with 4-cycle masking prevents false trips during rapid direction reversal, ensuring uninterrupted motion sequences. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bipolar stepper motor driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STSPIN220TR | 8–45 V VM range; 1.3 A max; integrated current sense; no MO_OUT monitor pin | Lacks electrical angle feedback; requires external current sensing for closed-loop verification | Preferred when board space is constrained and MO_OUT is not needed for position tracking |
| DRV8825PWPR | 8.2–45 V VM; 2.2 A peak; microstepping up to 1/32; no mixed-decay control | Uses external decay mode selection; higher current but greater layout complexity and EMI sensitivity | Chosen for microstepping precision where fixed 37.5% decay timing is not required |
Compared with STSPIN220TR and DRV8825PWPR, the TB62214AFTG,C8,EL uniquely delivers factory-calibrated mixed-decay timing, integrated MO_OUT monitoring, and BiCD process efficiency-making it optimal for deterministic motion control where repeatable torque and real-time angle feedback are critical.
Availability
TB62214AFTG,C8,EL is available at Aetrix Electronics and suitable for industrial CNC positioning, automated optical inspection, medical fluid dispensing, and lab automation robotics requiring stable component supply, long-term lifecycle continuity, and traceable sourcing.
Supply support for TB62214AFTG,C8,EL includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Toshiba Electronic Devices & Storage Corporation designs high-reliability analog and power ICs for industrial, automotive, and consumer applications, with emphasis on robustness and system-level integration.
The TB62214AFTG,C8,EL belongs to Toshiba's BiCD stepping motor driver family, engineered specifically for cost-sensitive, thermally constrained motion control systems requiring deterministic current regulation and hardware-configurable excitation modes.
FAQ
What is the recommended current-sense resistor value for 1.2 A phase current with TB62214AFTG,C8,EL?
Using the formula IOUT = (Vref/5) ÷ RRS, and assuming Vref = 3.0 V (typical), RRS = (3.0/5) ÷ 1.2 = 0.5 Ω. A 0.5 Ω, ≥0.5 W metal-film resistor is recommended. The TB62214AFTG,C8,EL datasheet specifies ±5% current accuracy at this setting, verified across temperature and process variation.
Does TB62214AFTG,C8,EL support microstepping?
No, the TB62214AFTG,C8,EL does not implement microstepping. It supports only full-step excitation modes: two-phase, 1-2-phase, and W1-2-phase (wave drive). Step resolution is fixed at 200 steps/rev for standard 1.8° steppers. The TB62214AFTG,C8,EL uses CLK edges to advance full steps-not fractional positions.
How is thermal management handled on the TB62214AFTG,C8,EL QFN48 package?
The TB62214AFTG,C8,EL QFN48 exposes a thermal pad that must be soldered to a large copper pour tied to internal ground planes. With a 2-layer 85 mm × 85 mm board, θj-a = 38°C/W. At 1.4 A continuous, power dissipation reaches ~2.1 W; derating to 1.0 A is advised above 60°C ambient unless enhanced cooling is applied. The TB62214AFTG,C8,EL thermal shutdown activates at 140–170°C junction temperature.
Can TB62214AFTG,C8,EL operate without an external oscillator capacitor?
No. The TB62214AFTG,C8,EL requires an external RC network on the OSCM pin to set chopper frequency. Typical values are 270 pF capacitor and 3.6 kΩ resistor for 1.6 MHz OSCM oscillation, yielding 100 kHz chopper frequency. Omitting the capacitor disables PWM operation, causing unregulated current flow and immediate device failure.
What happens to motor current during TB62214AFTG,C8,EL thermal shutdown (TSD)?
During TSD activation, all four output transistors are forced into high-impedance state-halting current flow to both motor phases immediately. The TB62214AFTG,C8,EL retains its internal state (excitation mode, direction, step count), but MO_OUT goes low and no further CLK advances occur. Recovery requires either cycling VM power or pulling both D_MODE_1 and D_MODE_2 low to reset protection latches.
TB62214AFTG,C8,EL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Toshiba Semiconductor and Storage
- Series:
- -
- Package/Case:
- 48-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Motor Type - Stepper:
- Bipolar
- Motor Type - AC, DC:
- -
- Function:
- Driver - Fully Integrated, Control and Power Stage
- Output Configuration:
- Half Bridge (4)
- Interface:
- Parallel
- Technology:
- DMOS
- Step Resolution:
- 1, 1/2, 1/4
- Applications:
- General Purpose
- Current - Output:
- 2A
- Voltage - Supply:
- 4.75V ~ 5.25V
- Voltage - Load:
- 10V ~ 38V
- Operating Temperature:
- -20°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 48-QFN (7x7)
TB62214AFTG,C8,EL FAQ
1.How can I place an order for TB62214AFTG,C8,EL through Aetrix?
Please submit a Request for Quotation (RFQ) for TB62214AFTG,C8,EL on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for TB62214AFTG,C8,EL reliable?
The price and inventory of TB62214AFTG,C8,EL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TB62214AFTG,C8,EL is usually 5 days.
3.What payment methods are accepted for TB62214AFTG,C8,EL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TB62214AFTG,C8,EL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TB62214AFTG,C8,EL?
TB62214AFTG,C8,EL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TB62214AFTG,C8,EL order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for TB62214AFTG,C8,EL?
For technical support, including TB62214AFTG,C8,EL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TB62214AFTG,C8,EL requirements.
6.How does Aetrix verify that TB62214AFTG,C8,EL is sourced from the original manufacturer or authorized distributors?
All TB62214AFTG,C8,EL products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TB62214AFTG,C8,EL meets industry standards.
7.What is the process for return or replacement of TB62214AFTG,C8,EL?
All TB62214AFTG,C8,EL units undergo pre-shipment inspection (PSI). If there is an issue with TB62214AFTG,C8,EL, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The TB62214AFTG,C8,EL part is unused and in its original packaging.
Return procedure for TB62214AFTG,C8,EL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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